Search Results for author: Manojkumar Saranathan

Found 4 papers, 2 papers with code

Thalamic nuclei segmentation from T$_1$-weighted MRI: unifying and benchmarking state-of-the-art methods with young and old cohorts

no code implementations26 Sep 2023 Brendan Williams, Dan Nguyen, Julie Vidal, Alzheimer's Disease Neuroimaging Initiative, Manojkumar Saranathan

The thalamus and its constituent nuclei are critical for a broad range of cognitive and sensorimotor processes, and implicated in many neurological and neurodegenerative conditions.

Benchmarking Segmentation +1

Robust thalamic nuclei segmentation from T1-weighted MRI

1 code implementation14 Apr 2023 Julie P. Vidal, Lola Danet, Patrice Péran, Jérémie Pariente, Meritxell Bach Cuadra, Natalie M. Zahr, Emmanuel J. Barbeau, Manojkumar Saranathan

HIPS-THOMAS was compared to a convolutional neural network (CNN)-based segmentation method and THOMAS modified for T1w images (T1w-THOMAS).

Segmentation

A Contrast Synthesized Thalamic Nuclei Segmentation Scheme using Convolutional Neural Networks

no code implementations17 Dec 2020 Lavanya Umapathy, Mahesh Bharath Keerthivasan, Natalie M. Zahr, Ali Bilgin, Manojkumar Saranathan

The SCS network demonstrated a significant atrophy in Ventral lateral posterior nucleus in AUD patients compared to healthy age-matched controls (P=0. 01), agreeing with previous studies on thalamic atrophy in alcoholism, whereas the NCS network showed spurious atrophy of the Ventral posterior lateral nucleus.

Segmentation

Automated Thalamic Nuclei Segmentation Using Multi-Planar Cascaded Convolutional Neural Networks

1 code implementation16 Dec 2019 Mohammad S. Majdi, Mahesh B Keerthivasan, Brian K Rutt, Natalie M Zahr, Jeffrey J. Rodriguez, Manojkumar Saranathan

For 7T WMn-MPRAGE, the proposed method outperforms current state-of-the-art on patients with ET with statistically significant improvements in Dice for five nuclei (increase in the range of 0. 05-0. 18) and VSI for four nuclei (increase in the range of 0. 05-0. 19), while performing comparably for healthy and MS subjects.

Transfer Learning

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